Alternate Wiring - Honeywell RTH2300 Series Quick Installation Manual

About your new thermostat

Alternate Wiring

If labels do not match letters on the thermostat, check the
chart below and connect to terminal as shown here (see
notes, below).
Thermostat does not work on Heat Pumps with auxiliary/
backup heat.
69-2728ES_A.indd 21
B O G
If wires will be connected to both
remove metal jumper (see page 6).
C X
Do not use or
electrical tape.
If you have a heat pump without auxiliary/backup heat
connect O or B, not both. If you do not have a heat
pump, do not connect B. Wrap bare end of wire with
electrical tape.
Place a jumper (piece of wire) between Y and W if you
are using a heat pump without auxiliary/backup heat.
RTH2300/RTH221
4 4
Y
R
and
. Wrap bare end of wire with
21
R Rc
M32734
Rc
terminals,
69-2728ES—02
5/6/2012 12:06:40 PM